/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.test.bpmn.event.error.mapError;

import org.activiti.engine.delegate.DelegateExecution;
import org.activiti.engine.delegate.JavaDelegate;
import org.apache.commons.lang3.StringUtils;


/**
 * @author Saeid Mirzaei
 */
public class ThrowCustomExceptionDelegate implements JavaDelegate{

  @Override
  public void execute(DelegateExecution execution) throws Exception {
    Object exceptionClassVar = execution.getVariable("exceptionClass");
    if (exceptionClassVar == null)
      return;
              
    String exceptionClassName = exceptionClassVar.toString();
    
    if (StringUtils.isNotEmpty(exceptionClassName))  {
      Class<?> clazz = Class.forName(exceptionClassName);   
      Exception exception = (Exception) clazz.newInstance();
      throw  exception;
              
    }
    
  }

}
